.picture {
  display: contents;
  animation: fadein 1s;
  -moz-animation: fadein 1s;
  /* Firefox */
  -webkit-animation: fadein 1s;
  /* Safari and Chrome */
  -o-animation: fadein 1s;
  /* Opera */ }

@keyframes fadein {
  from {
    opacity: 0; }
  to {
    opacity: 1; } }

@-moz-keyframes fadein {
  /* Firefox */
  from {
    opacity: 0; }
  to {
    opacity: 1; } }

@-webkit-keyframes fadein {
  /* Safari and Chrome */
  from {
    opacity: 0; }
  to {
    opacity: 1; } }

@-o-keyframes fadein {
  /* Opera */
  from {
    opacity: 0; }
  to {
    opacity: 1; } }